docs/library/neopixel: Update GitHub URL for neopixel.py link.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

docs/library/neopixel.rst

@@ -7,8 +7,10 @@
 This module provides a driver for WS2818 / NeoPixel LEDs.
 
 .. note:: This module is only included by default on the ESP8266, ESP32 and RP2
-   ports. On STM32 / Pyboard, you can `download the module
-   <https://github.com/micropython/micropython/blob/master/drivers/neopixel/neopixel.py>`_
+   ports. On STM32 / Pyboard and others, you can either install the
+   ``neopixel`` package using :term:`mip`, or you can download the module
+   directly from
+   <https://raw.githubusercontent.com/micropython/micropython-lib/master/micropython/drivers/led/neopixel/neopixel.py>`_
    and copy it to the filesystem.
 
 class NeoPixel

docs/reference/glossary.rst

@@ -158,6 +158,8 @@ Glossary
         network-capable boards, and internally by tools such
         as :term:`mpremote`.
 
+        See :ref:`packages` for more information on using ``mip``.
+
     mpremote
         A tool for interacting with a MicroPython device. See :ref:`mpremote`.